Shān shàng hái cánliú zhe zhànzhēng niándài de diāobǎo.
Pillboxes from the war era still remain on the mountain.
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In Chinese internet slang, 碉堡了 (diāobǎo le) is a humorous euphemism for 屌爆了 (diǎobào le, 'f***ing awesome'), since they sound similar. Context determines which meaning is intended.